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Olfa Corporation

USPTO Granted Patents = 28

% Expired Patents = 7.1

CIPO Patents = 6

EPO Patents = 5

Trademarks = 5

Forward Citations = 320

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5 inventors (with patents filed for the assignee):

Shoji Okada (14 out of 21 patents)

Yosuke Takashima (7 out of 7 patents)

Toshiyuki Watanabe (6 out of 21 patents)

4. Minoru Masuda (3 out of 76 patents)

5. Hiroshi Okada (1 out of 1 patent)

Core Competencies:

Safety Cutter Knife

Replacement Blade

Rotary Cutter

Utility Knife

Auto-Locking Knife

Cutter Knife Holder

Translucent Ruler

Grip-Type Lockable Knife

Compass-Cutter

Snap-Off Blade

Rotary Cutting Mat

Cutter Knives

28 patents: Sort by Forward Citations

1. 12427680 - Safety cutter knife (2025-09-30),

2. D1028668 - Replacement blade for a cutter knife (2024-05-28),

3. D964137 - Cutter knife (2022-09-20),

4. D899886 - Cutter knife (2020-10-27),

5. D847605 - Cutter knife (2019-05-07),

6. 10279489 - Full metal cutter knife (2019-05-07),

7. D790313 - Cutter knife (2017-06-27),

8. D717150 - Cutter knife (2014-11-11),

9. 8727195 - Blade snap-off holder (2014-05-20),

10. D691868 - Rotary cutter (2013-10-22),

11. D656381 - Cutter knife (2012-03-27),

12. 7942395 - Rotary cutting mat (2011-05-17),

13. 7765701 - Safety cutter knife (2010-08-03),

14. D606837 - Cutter knife (2009-12-29),

15. 7540094 - Cutter knives for slash-quilts (2009-06-02),

Olfa Corporation, headquartered in Osaka, Japan, is renowned for its innovative cutting tools and blades, primarily serving the crafting, industrial, and packaging sectors. The company specializes in precision-engineered products that enhance efficiency and safety in various applications. With a strong emphasis on research and development, Olfa continually advances its technology to meet the evolving needs of its global customer base, ensuring high-quality solutions that cater to both professional and consumer markets.

Profile summary based on public USPTO records.

Company Badge

USPTO Data Jan 1 1976 - Oct 6 2026

Olfa Corporation

28 Patents

#257 in Osaka

#2,413 in Japan

#23,262 in the World

Olfa Corporation

Forward Citations = 320

5 inventors:

Shoji Okada (14 out of 21 patents)

Yosuke Takashima (7 out of 7 patents)

Toshiyuki Watanabe (6 out of 21 patents)

4. Minoru Masuda (3 out of 76 patents)

5. Hiroshi Okada (1 out of 1 patent)

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